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CVE-2021-31998· NVD / CVE Program· CNA suse

inn: %post calls user owned file allowing local privilege escalation to root

Noroxi assessment

Priority: Monitor (action score 31/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.31% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: inn (openSUSE:Leap 15.2) 2.6.2-lp152.2.6.1; inn (SUSE:Linux Enterprise Point of Sale 11 SP3) 2.4.2-170.21.3.6.1; inn (SUSE:Package Hub 15 SP2) 2.6.2-bp152.2.8.1.

Low priority for now. Upgrade to inn (openSUSE:Leap 15.2) 2.6.2-lp152.2.6.1; inn (SUSE:Linux Enterprise Point of Sale 11 SP3) 2.4.2-170.21.3.6.1; inn (SUSE:Package Hub 15 SP2) 2.6.2-bp152.2.8.1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A Incorrect Default Permissions vulnerability in the packaging of inn of SUSE Linux Enterprise Server 11-SP3; openSUSE Backports SLE-15-SP2, openSUSE Leap 15.2 allows local attackers to escalate their privileges from the news user to root. This issue affects: SUSE Linux Enterprise Server 11-SP3 inn version inn-2.4.2-170.21.3.1 and prior versions. openSUSE Backports SLE-15-SP2 inn versions prior to 2.6.2. openSUSE Leap 15.2 inn versions prior to 2.6.2.

HighCVSS 7.8 · v3.1—No exploit Fix available
Published
Jun 10, 2021
Updated
Jun 16, 2026
EPSS
0.3% · 23th percentile

Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CNA vs NVD score

NVD
7.8
CNA · suse
6.8
1.0 point gap

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
opensuseinn
opensusebackports sle
opensuseleap
suselinux enterprise server

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • opensuse innup to 2.4.2-170.21.3.1 inclusive
  • opensuse innbefore 2.6.2

Versions reported by the vendor

Affected version ranges reported by the assigning authority (suse). Independent of NVD's CPE analysis and usually ahead of it.

  • openSUSE openSUSE Backports SLE-15-SP2

    • inn and later · before 2.6.2affected

  • openSUSE openSUSE Leap 15.2

    • inn and later · before 2.6.2affected

  • SUSE SUSE Linux Enterprise Server 11-SP3

    • inn and later · up to and including inn-2.4.2-170.21.3.1affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
openSUSE:Leap 15.2innbefore 2.6.2-lp152.2.6.12.6.2-lp152.2.6.1
SUSE:Linux Enterprise Point of Sale 11 SP3innbefore 2.4.2-170.21.3.6.12.4.2-170.21.3.6.1
SUSE:Package Hub 15 SP2innbefore 2.6.2-bp152.2.8.12.6.2-bp152.2.8.1

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
opensuse:inn2.6.2-lp152.2.6.1 · openSUSE:Leap 15.2Package registry (OSV)
suse:inn2.4.2-170.21.3.6.1 · SUSE:Linux Enterprise Point of Sale 11 SP3Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-276 · Incorrect Default Permissions

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

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